CVE-2026-40223

CWE-696CWE-617 — Reachable Assertion5 documents5 sources
Severity
4.7MEDIUM
EPSS
0.0%
top 97.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Systemd Systemd
Timeline
PublishedApr 10

Description

In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User= unit exists and is running.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages1 packages

▶CVEListV5systemd/systemd258 — 260

🔴Vulnerability Details

2
CVEList
CVE-2026-40223: In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User= unit exists and is running↗2026-04-10
▶
GHSA
GHSA-52rm-r39v-fwv9: In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User= unit exists and is running↗2026-04-10
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📋Vendor Advisories

1
Red Hat
systemd: systemd: Local unprivileged user can cause Denial of Service↗2026-04-10
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💬Community

1
Bugzilla
CVE-2026-40223 systemd: systemd: Local unprivileged user can cause Denial of Service↗2026-04-10
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CVE-2026-40223 (MEDIUM CVSS 4.7) | In systemd 258 before 260 | cvebase.io